x波段TTC接收机两级LNA的设计与实现

2019 1st International Conference on Advances in Information Technology (ICAIT) Pub Date : 2019-07-01 DOI:10.1109/ICAIT47043.2019.8987327

Vinay Doki, Alamelu Sunder, D. Shenoy, D. Venkataramana

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引用次数: 0

摘要

本文介绍了一种以7.2GHz为中心，带宽为100MHz的用于x波段相干跟踪、遥测和指挥接收机的两级低噪声放大器(LNA)的设计与实现。对级间匹配网络进行优化，得到最佳噪声系数为1.9dB，平坦度为0.3dB，输入回波损耗优于10 dB。输出回波损耗优于10dB，在100MHz带宽上的总体增益为26dB。利用微波仿真软件进行设计。采用硅锗基异质结双极结晶体管(HBT)作为有源器件和表面贴装型无源器件，在厚度为25 mil、Er=10.2的rtduroid6010衬底上实现了LNA。实测结果与仿真结果吻合较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design and Realization of two stage LNA for X-Band TTC Receiver

This paper describes the design and realization of a two stage low noise amplifier (LNA) centered at 7.2GHz with a bandwidth of 100MHz for X-Band Coherent Tracking, Telemetry and Command Receiver (TTC).Interstage matching network has been optimized to get optimum noise figure of 1.9dB with a flatness of 0.3dB and input return loss of better than 10 dB. Output return loss is better than 10dB have been achieved with a overall gain of 26dB over 100MHz bandwidth. The design is carried out with microwave simulation software. LNA has been realized on 25 mil thickness RTDuroid6010substrate with Er=10.2, using Silicon germanium based hetero junction bipolar junction transistor (HBT) as active device and surface mount type passive components. The measured results were found to be closely matching with the simulation results.

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2019 1st International Conference on Advances in Information Technology (ICAIT)

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